diff --git a/tools/setup/emoji_dump/emoji_dump.py b/tools/setup/emoji_dump/emoji_dump.py
index c9a93681f3..d3349f1227 100755
--- a/tools/setup/emoji_dump/emoji_dump.py
+++ b/tools/setup/emoji_dump/emoji_dump.py
@@ -104,6 +104,7 @@ def main():
         try:
             color_font(code_point, code_point_to_fname_map)
         except MissingGlyphError:
+            print("Warning: Missing color glyph for %s; using black/white." % (name,))
             try:
                 bw_font(name, code_point)
             except Exception as e: